Conformational energy of the (η5-cyclopentadienyl) iron(II) dicarbonyl group

Nhu Y T Stessman, Mario Ordóñez, Eusebio Juaristi, Richard S Glass

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Abstract

The conformational energy of the (η5-cyclopentadienyl) iron(II) dicarbonyl group was determined by variable-temperature 1H NMR spectroscopic studies on cis-4-phenyl-1-(η5-cyclopentadienyl) iron(II) dicarbonyl cyclohexane. This is the first determination of the A-value of a group with a transition metal directly attached to a cyclohexane ring. The stereospecific synthesis of cis- and trans-4-phenyl-1-(η5-cyclopentadienyl) iron(II) dicarbonyl cyclohexane and cis- and trans-4-tert-butyl-1-(η5- cyclopentadienyl) iron(II) dicarbonyl cyclohexane and the X-ray crystal structure of cis-4-tert-butyl-1-(η5-cyclopentadienyl) iron(II) dicarbonyl cyclohexane are reported.

Original languageEnglish (US)
Pages (from-to)8935-8937
Number of pages3
JournalJournal of Organic Chemistry
Volume63
Issue number24
DOIs
Publication statusPublished - Nov 27 1998

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ASJC Scopus subject areas

  • Organic Chemistry

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